MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f38930a1792837415ec289bd653ef533af14793ecfcc3464c73265a02d5ce20. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



AgentTesla


Vendor detections: 14


Intelligence 14 IOCs YARA 4 File information Comments

SHA256 hash: 4f38930a1792837415ec289bd653ef533af14793ecfcc3464c73265a02d5ce20
SHA3-384 hash: 50e9fb898b249a258f3d9fe7be822c3b584dd4c85904e9f61fbf24d11741acb2f99aa8f3277550fbacbfdfde55425ad2
SHA1 hash: cd35545969425ce2626e5a3826f79719ba992597
MD5 hash: 2ef819b388f942124287072ae2cd891a
humanhash: nineteen-kitten-mike-lion
File name:HSBC Singapore Payment _Swift_copy.bat
Download: download sample
Signature AgentTesla
File size:16'896 bytes
First seen:2023-09-29 11:22:13 UTC
Last seen:2023-09-29 11:47:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 384:2UJZKmRR9ujsLUZVpGh5S7DzDDEekOaXYs1xFLSt:n86RY4LMa5S7DzDDabgt
Threatray 6'187 similar samples on MalwareBazaar
TLSH T18072194EBEDDC563C6AC0A7D58921B4943B5DB2FB842E71F4CDCA57A19233C009D01E6
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:AgentTesla bat exe HSBC

Intelligence


File Origin
# of uploads :
2
# of downloads :
242
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
HSBC Singapore Payment _Swift_copy.bat
Verdict:
Malicious activity
Analysis date:
2023-09-29 12:45:05 UTC
Tags:
stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Sending an HTTP GET request
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Sending a custom TCP request
Creating a window
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample has a suspicious name (potential lure to open the executable)
Sample uses string decryption to hide its real strings
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1316418 Sample: HSBC_Singapore_Payment__Swi... Startdate: 29/09/2023 Architecture: WINDOWS Score: 100 39 Multi AV Scanner detection for domain / URL 2->39 41 Found malware configuration 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 10 other signatures 2->45 6 Flysp.exe 14 5 2->6         started        10 HSBC_Singapore_Payment__Swift_copy.bat.exe 16 5 2->10         started        13 Flysp.exe 2->13         started        process3 dnsIp4 47 Multi AV Scanner detection for dropped file 6->47 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->49 51 Machine Learning detection for dropped file 6->51 15 Flysp.exe 2 6->15         started        27 qu.ax 92.118.112.4, 443, 49812, 49814 GUDAEV-ASRU Russian Federation 10->27 25 C:\Users\user\AppData\Roaming\Flysp.exe, PE32 10->25 dropped 53 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->53 55 Injects a PE file into a foreign processes 10->55 19 HSBC_Singapore_Payment__Swift_copy.bat.exe 2 10->19         started        29 92.118.112.119, 443, 49816 GUDAEV-ASRU Russian Federation 13->29 21 Flysp.exe 13->21         started        23 Flysp.exe 13->23         started        file5 signatures6 process7 dnsIp8 31 api.telegram.org 149.154.167.220, 443, 49813, 49815 TELEGRAMRU United Kingdom 19->31 33 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->33 35 Tries to steal Mail credentials (via file / registry access) 21->35 37 Tries to harvest and steal browser information (history, passwords, etc) 21->37 signatures9
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-09-28 03:12:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot6508457872:AAFDejUKejywB5VlMSXK_4YHXE-viXxNI3M/
Unpacked files
SH256 hash:
4f38930a1792837415ec289bd653ef533af14793ecfcc3464c73265a02d5ce20
MD5 hash:
2ef819b388f942124287072ae2cd891a
SHA1 hash:
cd35545969425ce2626e5a3826f79719ba992597
Malware family:
AgentTesla.v4
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe 4f38930a1792837415ec289bd653ef533af14793ecfcc3464c73265a02d5ce20

(this sample)

  
Delivery method
Distributed via e-mail attachment

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